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Publication date
Application filed by Philip Skipworth GeorgefiledCriticalPhilip Skipworth George
Publication of CH42146ApublicationCriticalpatent/CH42146A/fr
CH42146A1908-01-151908-01-15Perfectionnement aux installations de chauffage utilisant un mélange d'air et de vapeur comme fluide de chauffage
CH42146A
(fr)
Improvements in and relating to Apparatus for Controlling at Pre-determined Times the lighting and Extingushing of Gas, the Flow of Fluids, and for analogous uses